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Selection of Power for Shangchai Generator

Apr. 09, 2025

The price of diesel generator sets is a concern when we choose to purchase generator sets. However, we often overlook an important aspect: considering the parameters of the diesel generator itself. It's like when we buy a computer. We select different configurations according to our personal needs. If we do design work, we need a high - configuration computer to improve efficiency, ensure smooth operation, and achieve good rendering effects during later - stage drawing. Similarly, as large and complex mechanical equipment, diesel generators require more complex and diverse considerations, including parameters of the diesel generator set, the diesel engine, and the electric motor. We need to have a preliminary understanding to avoid being misled into choosing the wrong generator set. For example, selecting the power of a Shangchai generator is quite a science.


shangchai  generator


When purchasing a generator set, many customers don't know what power - rated unit is suitable for them. Many users consider factors such as the performance, price, and fuel consumption of the generator set when choosing a brand. In fact, these considerations are not enough. First, users need to know what power - rated unit they should buy. Now, let's introduce how to calculate the power. Internationally, standby power is mostly used, while in China, main power is adopted. So, in the market, there are often irresponsible manufacturers who interchange these two types of power when introducing and selling generator sets, deceiving consumers. When buying a diesel generator set, we must be cautious.

 

The main power is also known as continuous power. The maximum power that a generator set can continuously operate for 24 hours is called continuous power. Within a certain period, specifically, within every 12 hours, it can operate at 10% overload based on the continuous power for 1 hour. The power of the unit at this time is what we usually call the maximum power, that is, standby power. That is to say, if you buy a unit with a main power of 400 kW, it can run at 440 kW for 1 hour within 12 hours. If you buy a unit with a standby power of 400 kW, and you run it at 400 kW without overload under normal circumstances, in fact, the unit is always running in an overloaded state (because the actual rated power of this unit is only 360 kW). This is very detrimental to the unit, which will shorten its service life and increase the failure rate. Therefore, the best way to select the power of a diesel generator set is to add a 10% power reserve based on the total load of the user. This is both economical and practical.

 

In addition, different starting methods also have a certain impact on power calculation. For example, if a 30 - kW motor uses star - delta starting, the starting current will be 4 to 6 times the rated current. At least a 120 - kW diesel generator set is required to start this motor normally. Whether the electrical appliance is loaded when starting also determines the magnitude of the starting current, which in turn affects the power selection of the diesel generator. Only by fully understanding the specific situation of the electrical appliances can we more economically calculate the required power of the diesel generator set and avoid the situation of buying a unit that cannot be used due to calculation errors.

 

When users choose to purchase a diesel generator set, they can also consult professional staff from Dingbo Power according to their own needs. This can help them quickly and easily select a diesel generator with a suitable power and prevent them from being deceived!

 

As a professional diesel generator manufacturer, we always insist on using first-class talents to build a first-class enterprise, create first-class products, create first-class services, and strive to build a first-class domestic enterprise. If you would like to get more information welcome to contact us via [email protected].

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